Activity Security Representative

2 days ago
Company MANTECH
Employment Type Full-time
Posted on April 1, 2026
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Job Description

MANTECH seeks a motivated, career and customer-oriented Activity Security Representative (ASR) - I to join our team in El Segundo, CA.

The Activity Security Representative (ASR) - I will leverage their strong technical background and knowledge to provide multi-disciplined security support to a customer’s facility and organization. You will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities in a full-time, in-office capacity.

Responsibilities include but are not limited to:

  • Conducting classification reviews of inbound and outbound correspondence and maintaining document accountability databases.

  • Processing and destroying classified materials and magnetic media while maintaining daily administrative logs for document control.

  • Assisting in the processing and electronic transfer of data files to internal customers and maintaining extensive point of contact listings.

  • Researching and filing inbound and outbound visit notices and escorting facility visitors while maintaining associated logs.

  • Conducting entry and exit inspections and assisting in the preparation of facility access control badges and entry system maintenance.

  • Performing data entry into personnel security databases and maintaining customer-sponsored billets and quota information.

  • Enforcing customer Standard Operating Procedures and providing support for security awareness and education programs.

Minimum Qualifications:

  • Bachelor’s degree or equivalent additional experience (4 years).

  • 2+ years of experience

  • 1+ years with SCI or SAR programs.

  • Must complete DoD SAPCO approved SAPNP training within six months of starting on the contract if performing SAP personnel security functions.

  • Familiarity with SIMS database or completion of training within six months of hire if performing document control functions.

  • Completion of JPAS/DISS training within six months of hire if performing SCI personnel security functions.

  • Completion of Joint Access Database Environment (JADE) training within six months of hire if performing SAP personnel security functions.

Preferred Qualifications:

  • Familiarity with security policy manuals and other guiding policy documents used in Government contracting environments.

  • Self-starter with excellent people skills—able to work in dynamic environments and interact effectively with DOD, military, and industry partners.

  • Working knowledge of Microsoft Office (Word, PowerPoint, and Excel) and a high degree of initiative requiring minimal supervision.

Clearance Requirements:

  • Current Top-Secret Clearance with SCI Eligibility and eligibility for access to Special Access Programs.

  • Willingness to submit to a polygraph.

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time in closed-area offices.

  • Needs to occasionally move about inside and out of the office to access files, cabinets, and safes.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

  • Must be able to exchange accurate information in these situations.

  • Must be willing to travel within the organizational Area of Responsibility via air and ground transportation.